capabilities: Get server capabilities

curl 'https://api.openstreetmap.org/api/0.6/capabilities'

import requests

resp = requests.get("https://api.openstreetmap.org/api/0.6/capabilities")
data = resp.json()

import zingu_apis

api = zingu_apis.api("openstreetmap")
result = api.fetch("api/0.6/capabilities")

for item in result:
    print(item)

const resp = await fetch("https://api.openstreetmap.org/api/0.6/capabilities");
const data = await resp.json();